import datetime
# from datetime import datetime
# time_now = datetime.datetime.now()
# print(str(time_now), type(time_now))
#
# print(datetime.datetime.now() + datetime.timedelta(weeks=3))
# print(datetime.datetime.now() + datetime.timedelta(weeks=-4))
# print(datetime.datetime.now() + datetime.timedelta(days=-15))

# current_time = datetime.datetime.now()
# print(current_time.replace(year=1979))
# print(current_time.replace(year=1989,month=4,day=25))

# print(datetime.date.fromtimestamp(4332543543))